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Which of the following is correctly matched for the product produced by them?

1. Methanobacterium : Lactic acid
2. Penicillium notatum : Acetic acid
3. Saccharomyces cerevisiae : Ethanol
4. Acetobacter aceti : Antibiotics

Correct answer: Saccharomyces cerevisiae : Ethanol

Solution

Saccharomyces cerevisiae is yeast used in alcoholic fermentation, where it converts sugars into ethanol and carbon dioxide. The other pairs are mismatched because those organisms are associated with different products.

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